Garlic Cultivation

GARLIC - OBSERVATIONS ON CULTURAL PRACTICES
Efford 1982/3

Modules
Speedling 125	43mm peat blocks
Grade of cloves <2g and 3 - 4g	Grade of cloves <2g, 2 – 3g and 3 – 5g
Modules planted 16 December and stood outside with 25mm covering of peat. Planted into field 3 February, 4 rows per 1.83m bed. 450mm x 250mm spacing

Planting Systems
Flat-topped ridge	Flat bed
2 x 500mm wide ridges per 1.83m bed. 3 rows per ridge. Rows 100mm apart, 250mm between plants.	6 rows per flat bed. Beds 1.83m wide. 250mm between rows, 250mm between plants.
Modules planted 16 December and stood outside with 25mm covering of peat. Planted into field 3 February, 4 rows per 1.83m bed. 450mm x 250mm spacing

DIARY & CULTURAL NOTES

1982
August	3	Field site ploughed
September	2	Base fertiliser applied: 100 kg/ha N 35 kg/ha P2O5 75 kg/ha K2O
		Weed Control: Propachlor (as SB Propachlor 65) at 6.7 kg/ha Chlorthal-dimethyl (as Dacthal) at 6.2 kg/ha Paraquat (as Gramoxone) at 2.8 l/ha
1983
March	17	Top dressing applied - 140 kg/ha N
May	13	Top dressing applied - 194 kg/ha N
	27	Chloridazon with Chlorbufam (as Alicep) applied at 4.5 kg/ha after hand weeding.
August	2	Bulbs harvested.

RESULTS

Use of Modules

Bulbs were much cleaner than direct planted with less staining. They were more uniform and tended to be of better quality. No direct comparisons can be made because the clove size and planting dates were different. However the use of modules demonstrated that if conditions are very wet for planting in the autumn, cloves can be planted into modules and transplanted into the field, once rooted, when soil conditions improved. If the Speedling system is used the trays should be stood on battens so that there is an air space below the tray to prevent rooting through. The use of modules may lead to semi- or automatic planting.

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